20343023025 has 48 divisors (see below), whose sum is σ = 36242222016. Its totient is φ = 10009163520.

The previous prime is 20343023017. The next prime is 20343023027. The reversal of 20343023025 is 52032034302.

It is not a de Polignac number, because 20343023025 - 2³ = 20343023017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20343022986 and 20343023004.

It is not an unprimeable number, because it can be changed into a prime (20343023027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1996594 + ... + 2006756.

It is an arithmetic number, because the mean of its divisors is an integer number (755046292).

Almost surely, 2^20343023025 is an apocalyptic number.

20343023025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20343023025 is a deficient number, since it is larger than the sum of its proper divisors (15899198991).

20343023025 is a wasteful number, since it uses less digits than its factorization.

20343023025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242 (or 12237 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 20343023025 its reverse (52032034302), we get a palindrome (72375057327).

The spelling of 20343023025 in words is "twenty billion, three hundred forty-three million, twenty-three thousand, twenty-five".